BGS mineralogy and petrology collection record

Sample number	E11035; COLLNO116;
Sample Donor	Matley, C.A
Rock name	'Original entry: Gritty Mudstone'
Stratigraphy	Not entered
Comments	See Mem.Geol.of Anglesey.p.308. Band in melange, epiclastic, but fresh ? Chlorite. Broken band in crush conglom.
Locality details	E.side Porth Wylfa.
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 362 938
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.